68244011178 has 96 divisors (see below), whose sum is σ = 167341147200. Its totient is φ = 18448528896.

The previous prime is 68244011167. The next prime is 68244011191. The reversal of 68244011178 is 87111044286.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4623426 + ... + 4638162.

It is an arithmetic number, because the mean of its divisors is an integer number (1743136950).

Almost surely, 2^68244011178 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68244011178, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83670573600).

68244011178 is an abundant number, since it is smaller than the sum of its proper divisors (99097136022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68244011178 is a wasteful number, since it uses less digits than its factorization.

68244011178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15604 (or 15597 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 42.

The spelling of 68244011178 in words is "sixty-eight billion, two hundred forty-four million, eleven thousand, one hundred seventy-eight".